OpenASIP 2.2
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Protected Member Functions | Private Member Functions | Static Private Attributes | List of all members
TPEF::TPEFASpaceSectionReader Class Reference

#include <TPEFASpaceSectionReader.hh>

Inheritance diagram for TPEF::TPEFASpaceSectionReader:
Inheritance graph
Collaboration diagram for TPEF::TPEFASpaceSectionReader:
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Protected Member Functions

 TPEFASpaceSectionReader ()
 
virtual ~TPEFASpaceSectionReader ()
 
virtual void readData (BinaryStream &stream, Section *section) const
 
virtual Section::SectionType type () const
 
- Protected Member Functions inherited from TPEF::TPEFSectionReader
 TPEFSectionReader ()
 
virtual BinaryReaderparent () const
 
virtual void readInfo (BinaryStream &stream, Section *sect) const
 
- Protected Member Functions inherited from TPEF::SectionReader
 SectionReader ()
 
virtual void finalize (Section *section) const
 

Private Member Functions

 TPEFASpaceSectionReader (const TPEFASpaceSectionReader &)
 Copying not allowed.
 
TPEFASpaceSectionReaderoperator= (TPEFASpaceSectionReader &)
 Assignment not allowed.
 

Static Private Attributes

static TPEFASpaceSectionReader proto_
 Prototype instance of TPEFASpaceSectionReader to be registered to SectionReader.
 

Additional Inherited Members

- Public Types inherited from TPEF::SectionReader
typedef BinaryReader::Length Length
 
- Public Member Functions inherited from TPEF::TPEFSectionReader
virtual ~TPEFSectionReader ()
 
- Public Member Functions inherited from TPEF::SectionReader
virtual ~SectionReader ()
 
- Static Public Member Functions inherited from TPEF::SectionReader
static void readSection (BinaryStream &stream, Section *section, BinaryReader *reader)
 
static void finalizeBinary (Binary *binaryToFinalize, BinaryReader *reader)
 
- Static Protected Member Functions inherited from TPEF::TPEFSectionReader
static const Headerheader ()
 
- Static Protected Member Functions inherited from TPEF::SectionReader
static const SectionReaderfindSectionReader (const Section::SectionType type, const BinaryReader *bReader)
 
static void registerSectionReader (const SectionReader *sReader)
 

Detailed Description

Reads address space section from TPEF binary file.

Definition at line 46 of file TPEFASpaceSectionReader.hh.

Constructor & Destructor Documentation

◆ TPEFASpaceSectionReader() [1/2]

TPEF::TPEFASpaceSectionReader::TPEFASpaceSectionReader ( )
protected

Constructor.

Registers itself to SectionReader.

Definition at line 57 of file TPEFASpaceSectionReader.cc.

59}
static void registerSectionReader(const SectionReader *sReader)

References TPEF::SectionReader::registerSectionReader().

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◆ ~TPEFASpaceSectionReader()

TPEF::TPEFASpaceSectionReader::~TPEFASpaceSectionReader ( )
protectedvirtual

Destructor.

Definition at line 64 of file TPEFASpaceSectionReader.cc.

64 {
65}

◆ TPEFASpaceSectionReader() [2/2]

TPEF::TPEFASpaceSectionReader::TPEFASpaceSectionReader ( const TPEFASpaceSectionReader )
private

Copying not allowed.

Member Function Documentation

◆ operator=()

TPEFASpaceSectionReader & TPEF::TPEFASpaceSectionReader::operator= ( TPEFASpaceSectionReader )
private

Assignment not allowed.

◆ readData()

void TPEF::TPEFASpaceSectionReader::readData ( BinaryStream stream,
Section section 
) const
protectedvirtual

Reads section data from TPEF binary file.

Parameters
streamStream to be read from.
sectionSection where the information is to be stored.
Exceptions
UnreachableStreamIf reading of section fails.
KeyAlreadyExistsKey was in use when trying to register object.
EndOfFileIf end of file were reached while it shouldn't.
OutOfRangeSome of read value were out of range.
WrongSubclassSome class couldn't do what it was asked for.
UnexpectedValueIf there was unexpected value when reading.

Reimplemented from TPEF::TPEFSectionReader.

Definition at line 90 of file TPEFASpaceSectionReader.cc.

91 {
92 // base classes implementation must be called with these.
93 TPEFSectionReader::readData(stream, section);
94
95 // just being paranoid...
96 ASpaceSection* aSpaceSection =
97 dynamic_cast<ASpaceSection*>(section);
98 assert(aSpaceSection != NULL);
99
100 std::set<Byte> alreadyUsedIds;
101
102 bool undefFound = false;
103
104 // check that link section is defined properly
105 assert(header().linkId != 0);
106
107 if (!section->noBits()) {
108 // start of first element
109 SectionOffset elementStart = header().bodyOffset;
110
111 while (elementStart + header().elementSize <=
112 header().bodyOffset + header().bodyLength) {
113
114 ASpaceElement *elem = new ASpaceElement();
115
116 // first byte of address space element is a unique identifier
117 Byte id = stream.readByte();
118
119 // check that the identifier is really unique
120 if (alreadyUsedIds.find(id) != alreadyUsedIds.end()) {
121 bool twoASpaceElementsWithSameId = false;
122 assert(twoASpaceElementsWithSameId);
123 } else {
124 alreadyUsedIds.insert(id);
125 }
126
127 SectionIndexKey sectionIndexKey(
128 dynamic_cast<TPEFReader*>(parent())->aSpaceId(), id);
129 SafePointer::addObjectReference(sectionIndexKey, elem);
130
131 elem->setMAU(stream.readByte());
132 elem->setAlign(stream.readByte());
133 elem->setWordSize(stream.readByte());
134
135 SectionOffsetKey nameSectionOffset(
136 header().linkId, stream.readWord());
137
138 elem->setName(CREATE_SAFEPOINTER(nameSectionOffset));
139
140 // check undef aspace
141 if (id == 0) {
142 assert(elem->MAU() == 0);
143 assert(elem->align() == 0);
144 assert(elem->wordSize() == 0);
145 assert(nameSectionOffset.offset() == 0);
146 aSpaceSection->setUndefinedASpace(elem);
147 undefFound = true;
148 }
149
150 section->addElement(elem);
151
152 elementStart += header().elementSize;
153 stream.setReadPosition(elementStart);
154 }
155 }
156
157 // if there was no undef aspace create it (if nobits flag is set)
158 if (!undefFound) {
159 ASpaceElement *elem = new ASpaceElement();
160 elem->setMAU(0);
161 elem->setAlign(0);
162 elem->setWordSize(0);
163 section->addElement(elem);
164 aSpaceSection->setUndefinedASpace(elem);
165 }
166}
#define assert(condition)
unsigned char Byte
Definition BaseType.hh:116
static void addObjectReference(SectionIndexKey key, const SafePointable *obj)
virtual BinaryReader * parent() const
virtual void readData(BinaryStream &stream, Section *section) const
static const Header & header()
Word SectionOffset
Type for storing offsets relative to a given base offset value.

References TPEF::Section::addElement(), TPEF::ReferenceManager::SafePointer::addObjectReference(), TPEF::ASpaceElement::align(), assert, TPEF::TPEFSectionReader::Header::bodyOffset, TPEF::TPEFSectionReader::Header::elementSize, TPEF::TPEFSectionReader::header(), TPEF::ASpaceElement::MAU(), TPEF::Section::noBits(), TPEF::ReferenceManager::SectionOffsetKey::offset(), TPEF::TPEFSectionReader::parent(), TPEF::BinaryStream::readByte(), TPEF::TPEFSectionReader::readData(), TPEF::BinaryStream::readWord(), TPEF::ASpaceElement::setAlign(), TPEF::ASpaceElement::setMAU(), TPEF::ASpaceElement::setName(), TPEF::BinaryStream::setReadPosition(), TPEF::ASpaceSection::setUndefinedASpace(), TPEF::ASpaceElement::setWordSize(), and TPEF::ASpaceElement::wordSize().

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◆ type()

Section::SectionType TPEF::TPEFASpaceSectionReader::type ( ) const
protectedvirtual

Returns the type of section it is meant to read.

Returns
The type of section it can read.

Implements TPEF::SectionReader.

Definition at line 73 of file TPEFASpaceSectionReader.cc.

73 {
74 return Section::ST_ADDRSP;
75}
@ ST_ADDRSP
Address space section.
Definition Section.hh:77

References TPEF::Section::ST_ADDRSP.

Member Data Documentation

◆ proto_

TPEFASpaceSectionReader TPEF::TPEFASpaceSectionReader::proto_
staticprivate

Prototype instance of TPEFASpaceSectionReader to be registered to SectionReader.

Definition at line 63 of file TPEFASpaceSectionReader.hh.


The documentation for this class was generated from the following files: